Spectroscopy and perturbation analysis of the CO A${}^1\Pi -$X${}^1{\Sigma }^{+}$ (2,0), (3,0) and (4,0) bands

M. L. Niu, E. J. Salumbides, A. N. Heays +3

The (2,0) (3,0) and (4,0) bands of the A${}^1\Pi -$X${}^1{\Sigma }^{+}$ system of ${}^{12}$C${}^{16}$O have been re-investigated by high-resolution vacuum ultraviolet absorption spectroscopy. A VUV Fou…